(19)

(11)

EP 0 807 250 A1

(12)

(43) Date of publication: 19.11.1997 Bulletin 1997/47 (21) Application number: 95942328.0 (22) Date of filing: 16.11.1995

(51) International Patent Classification (IPC):  G01N 21/ 78( . ) G01N 31/ 22( . ) (86) International application number: PCT/SE1995/001363 (87) International publication number: WO 1996/024054 (08.08.1996 Gazette 1996/36)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI NL PT SE (30) Priority: 03.02.1995 SE 19950000400 (71) Applicant: ICOR AB S-161 30 Bromma (SE)	(72) Inventors: LARSSON, Anders S-161 49 Bromma (SE) ÖSTBERG, Gunilla S-186 35 Vallentuna (SE) KRILL, Paul S-175 39 Järfälla (SE) GEDEON, Andras S-183 30 Täby (SE) (74) Representative: Fogelberg, Lennart, et al  Allied Attorneys Chemical AB, Box 24107 104 51 Stockholm 104 51 Stockholm (SE)